Myconid Bloom Sac?????

Does anyone know the exact coordinates of the area in the tower ruins where the gold is that spawns the Myconid Elder? I know I have done this quest before, but for the life of me, I can't find the gold.

It says to interact with corpse at x=4650, y=2930 but there is nothing there. When I initially entered the area, Safana got confused and started shooting arrows at my party, so I moved everyone to the north and figured I would come back later. Now the dead Myconid is gone and I can't get the elder to spawn. I thought the spawn was triggered by taking a small amount of gold (15gp) from somewhere in the area? Am I wrong?

What happens is that you talk to the dying myconid. After it dies you can loot a small amount of gold from the container mentioned above. After you loot it, the elder myconid spawns, and after it dies you can loot the bloom sac.

I got confused by this quest because with Jaheira in the party it became kind of clear that they dying myconid was trying to steer our party to a dead body to the north. Sure enough there is a dead body to the north surrounded by four ankhegs. But then what? If you return to the place the myconid died, the only way to do anything is to interact with the cache which just leads to the elder getting angry etc. It seems from the fact that there is indeed a dead body to the north, that there should also be a peaceful resolution to the quest that does not require our party to kill the leader -_- A